/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*   Craig Dunn <craig dot dunn at conceptdevelopment dot net>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
using System;
namespace org.mozilla.intl.chardet {

////import java.lang.* ;

public abstract class nsVerifier { //abstract

     public const byte eStart = (byte)0;
     public const byte eError = (byte)1;
     public const byte eItsMe = (byte)2;
     public const int eidxSft4bits = 3;
     public const int eSftMsk4bits = 7;
     public const int eBitSft4bits = 2;
     public const int eUnitMsk4bits = 0x0000000F;

     public nsVerifier() {
     }

     public abstract String charset() ;
     public abstract int stFactor()   ;
     public abstract int[] cclass()   ;
     public abstract int[] states()   ;

     public abstract bool isUCS2() ;

     public static byte getNextState(nsVerifier v, byte b, byte s) {

         return (byte) ( 0xFF & 
	     (((v.states()[((
		   (s*v.stFactor()+(((v.cclass()[((b&0xFF)>>nsVerifier.eidxSft4bits)]) 
		   >> ((b & nsVerifier.eSftMsk4bits) << nsVerifier.eBitSft4bits)) 
		   & nsVerifier.eUnitMsk4bits ))&0xFF)
		>> nsVerifier.eidxSft4bits) ]) >> (((
		   (s*v.stFactor()+(((v.cclass()[((b&0xFF)>>nsVerifier.eidxSft4bits)]) 
		   >> ((b & nsVerifier.eSftMsk4bits) << nsVerifier.eBitSft4bits)) 
		   & nsVerifier.eUnitMsk4bits ))&0xFF) 
		& nsVerifier.eSftMsk4bits) << nsVerifier.eBitSft4bits)) & nsVerifier.eUnitMsk4bits )
	 ) ;

     }


}

} // namespace
